"Ragnarok has come upon us. World has ended." Kata Vajira did not expect that his laid-back life will end in an instant. It suppose to be ordinary morning for him and his friend, but after he asleep in the middle of a lesson, Kata awake in a dark world that he did not know. A world full of pain, suffering, and insanity. Turns out, Ragnarok- the big war of the gods have come, and earth has become of the battlefield when that happened. Now everyone is stuck in this realm, their souls can never leave the Yggdrasil, for afterlife itself have been destroyed because of the war. With her last remaining strength, Freya blessed the feeble Kata to climb the Tree of Life, and uncover the truth of where the gods have gone. A grand task to recover Yggdrasil that started to rot because evil power from the demons and monsters.

Ten years have passed since the world war that enveloped Mistika continent. Even after all these years, the discrimination against the Devils race is still high. Our story takes place at the Grand Magusica Academy, a school that gathers all people of the races to learn together. Mui-ken-ikhu is an orphan Devil that lucky enough to be able to enroll in this school. One day, he fell in love with Emmellia Novreyi, the best magician in this academy, and also the kingdom's princess. At first, he is already giving up on chasing Emmellia, but a stroke of luck brings him to the forbidden side of the academy, where he finally gain a power to change his destiny.

"I can't escape..." thought the girl, as she sit back behind the stone wall, cowering in fear. Her body trembled, and her feet won't listen to her command. Five feets in front of her, is a grotesque monster that have slain all of her comrade. The monster catched her attention, and as it begin to letting out a weird chuckle sound, it hasten it's pace toward the girl. Tears begun to rolling on her eyes, this is the end, she think to herself. Out of nowhere, a loud metal voice thundering over the room. Second later, that monster is send flying outside of it's track. A man figure stand in front of the girl. Or is he? From up to bottom, he have a short-jagged white hair. Tall body, and well-built muscles. Weirdly, his body like letting up heat and steam. which is is not normal as far as the girl understand. "Annihilation, commenced," said the man, in oddly machine-like voice. *** Thousand millenia have passed and civilization on Earth restarted. Magic are now natural phenomenon, and monsters roams the surface. A cyborg from previous world, awaken without memories. What lies beyond his journey?